coldwell



JOHN H. COLDWELL, OF POUGHKEEPSIE, NEW' YORK.

Deum Patent N0. 76,053, ma March 31, 1,868.

IMPROVBD BABY-JUMPER.

digtlgrhul nftrtet tu .iu tijm Eaters @that mrt making miti tf its tame.

TO ALL WHOM IT MAY :OONOERN: I Be it known that I, JOHN H. COLDWELL,of.Poughkeepsie, in the county of'Dutchess, and State of New York, haveinvented a new and improved Baby-Jumper;A and I do hereby declare thatthe following is a full, clear, and exact description thereof, whichwill enable others skilled in the art to make and usethe same, ref'erence being had to the accompanying drawings, forming part of thisspecification, in which- Figure 1 represents a side elevation of myimproved baby-jumper. A

Figure 2 is a plan or toplview, partly in section, ofthe same.

Similar letters of reference indicate corresponding parts. Y Y i Thisinvention relates to a new baby-jumper, in which arms projecting fromthe straight seat-bar are pivoted t`o arms projecting from the base, thearms on the seat-bar being adjustable, so that'the fulcrum can bebrought nearer to or farther from the seat, and so that thereby theapparatus can be adapted for more or less 'heavy children. i

The front end ofthe seat-har is, by means of a spiral spring, connectedwith the front part ofthe base, the tension of said spring beingadjustable by means of a screw, to which one end of the spring issecured. The railing around the seat is provided with a swinging ordetachableA gate, so that it can be opened, whenever desired, toYfacilitate thevingress or egress of the child. A

A, in the drawing, represents the base of my improved baby-jumper, saidbase consisting of two or morebars, o1'v of a plateof suitable size andshape. B B- are two or more lugs or ears, projecting from the front partofthe base, said lugs :being transversely inline with each other. Y O isa stra-ight seat-bar, to the rear end of .which the seat D issccured. Tothe under side of the sent-bar is secured, by means of a bolt, a, orother.- wise, a slotted plate, E, from whichtwo or mcrerlugs, I1 b,project downward, said lugs being, by means of one or more pins, c,pivotedto the lug's B, as shown. The front end of the bar C is, by means'cfa spring, F, connected with the front part of the base, A, the upperend of. the spring being fast-cned to Aa sc1ew-bolt, (l, which passesthrough the bar C, asshown, and by means of which the tension of thespring can be regulated.

By adjusting the `barOon the plate E, the distance from the seat to theplate' E can be lengthened or shortened at will, and thereby theleverage can be adjusted forheavier or lighter children.

Instead ofhaving the plate E slotted, the seatbar O may be slotted, oreither of them may be so arranged that the bolt a can be longitudinallyadjusted in the same.

The seat D is surrounded with a railing, G, as usual, a portion, H, ofwhich is hinged either to the remain ing stationary part of the railing,or. by means of a post or upright, I, to the seat-bar C, as shown, or isotherwise made so that it can `be swung open or detached. v

In iig. 1.the` railing is shown closed, 'and in'g. 2, opened. Whenclosed, the detachable part H is fastened tc the main part, G, of therailing by suitable locking-devices. l

Having'thus described my invention, I claim as new, and desire to secureby Letters Patent- 1. Making the seatfbar of a baby-jumperlongitudinally adjustable on its fulcrum, substantially as hereinshownand described. I i

2. Making a portion, H, of the railing around the scat of o. baby-jumperdetachable, or so that it can swing open, substantially as and for thepurpose herein shown and described.

3. The arrangement and combination with each other of the base, A, earsB, seat-bar C, adjustable plate E, lugs b, spring F, and screw d, allmade and operating substantially as herein shown and described,

JOHN H. OOLDWELL.

Witnesses:

WM. F. McNAMAnA, ALEX. F. Rosaura

